62 lines
1.6 KiB
TypeScript
62 lines
1.6 KiB
TypeScript
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// This file is never loaded directly, it's loaded via a bundle. Run `deno task generate` to update.
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import { DB } from "./deno-sqlite/mod.ts";
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let db: DB | undefined;
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import { compile } from "./deno-sqlite/build/sqlite.js";
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const ready = compile();
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globalThis.addEventListener("message", (event: MessageEvent) => {
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const { data } = event;
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// console.log("Got message", data);
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ready.then(() => {
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switch (data.type) {
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case "init": {
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try {
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db = new DB(data.dbPath);
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} catch (e: any) {
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// console.error("Error!!!", e, data);
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respondError(data.id, e);
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break;
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}
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respond(data.id, true);
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break;
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}
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case "execute": {
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if (!db) {
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respondError(data.id, new Error("Not initialized"));
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break;
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}
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try {
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db.query(data.query, data.params);
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respond(data.id, db.changes);
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} catch (e: any) {
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respondError(data.id, e);
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}
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break;
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}
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case "query": {
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if (!db) {
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respondError(data.id, new Error("Not initialized"));
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break;
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}
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try {
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const result = db.queryEntries(data.query, data.params);
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respond(data.id, result);
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} catch (e: any) {
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respondError(data.id, e);
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}
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break;
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}
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}
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}).catch(console.error);
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});
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function respond(id: number, result: any) {
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globalThis.postMessage({ id, result });
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}
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function respondError(id: number, error: Error) {
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globalThis.postMessage({ id, error: error.message });
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}
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